Электронная библиотека (репозиторий) Томского государственного университета
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Add   Observation of the doubly radiative decay η' → γγπ0
Authors: Ablikim, M. | Ahmed, S. | Chelkov, G. A. | Achasov, M. N.
Source: Physical Review D. 2017. Vol. 96, № 1. P. 012005-1-012005-8
Type: статьи в журналах
Date: 2017
Description: Based on a sample of 1.31 billion J/ψ events collected with the BESIII detector, we report the study of the doubly radiative decay η′→γγπ0 for the first time, where the η′ meson is produced via the J/ ... More
Add   Measurement of the branching fractions of Ds+→η'X and Ds+→η'ρ+ in e+e-→Ds+Ds-
Authors: Ablikim, M. | Ai, X. C. | Chelkov, G. A. | Achasov, M. N.
Source: Physics Letters B. 2015. Vol. 750. P. 466-474
Type: статьи в журналах
Date: 2015
Description: We study D+s decays to final states involving the η with a 482 pb−1 data sample collected at √s = 4.009 GeV with the BESIII detector at the BEPCII collider. We measure the branching fractionsB(D+s →η ... More
Add   Observation of the Dalitz decay η' → γe+e-
Authors: Ablikim, M. | Ai, X. C. | Chelkov, G. A. | Achasov, M. N.
Source: Physical Review D. 2015. Vol. 92, № 1. P. 012001-1-012001-11
Type: статьи в журналах
Date: 2015
Description: We report the first observation of the Dalitz decay η′→γe+e−, based on a data sample of 1.31 billion J/ψ events collected with the BESIII detector. The η′ mesons are produced via the J/ψ→γη′ decay pro ... More
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